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Finding the Fourth Proportional to 322,557.30, 445,156.01 and 179,330.67

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Solution

The fourth proportional to 322,557.30, 445,156.01 and 179,330.67 is: 247,491.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,557.30 : 445,156.01 = 179,330.67 : x
  2. Step 2: Convert to fraction form
    322,557.30/445,156.01 = 179,330.67/x
  3. Step 3: Cross multiply
    322,557.30x = 445,156.01 × 179,330.67
  4. Step 4: Simplify right side
    322,557.30x = 79,830,124,631.17
  5. Step 5: Solve for x
    x = 79,830,124,631.17/322,557.30
  6. Step 6: Final answer
    x = 247,491.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.